Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.88,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: three handbags present on chair confirming lot"
    ],
    "negative_evidence": [
        "photo 4: central taupe bag has a clearly visible ROSETTI wordmark, identifying it as another brand rather than Coach.",
        "photos 1-7: no COACH wordmark, horse-and-carriage mark, Coach hangtag, or creed patch is visible on any of the three bags.",
        "photos 1-7: the bags use contemporary pebble-textured synthetic-looking materials, floral printed fabric, multiple exposed zippers, and silver\/gold-tone hardware rather than a recognizable vintage Coach construction.",
        "photo 1: listing is a lot of three purses, but none shows a Coach-specific identifier.",
        "photo 4: center beige bag has rectangular metal brand plate reading ROSETTI, not COACH",
        "photo 1: right bag is white floral-print synthetic multi-zip hobo with gold-tone zippers - material, print and multi-pocket silhouette inconsistent with vintage Coach glove-tanned classics",
        "photo 2: left black bag has wide fabric strap, black coil zippers, thin crinkled faux-leather body and black fabric lining visible at top - no solid brass, no turnlock, no unlined suede interior",
        "photo 1: none of the three bags shows a flap + turnlock, solid brass hardware, unlined glove-tanned leather, or leather hangtag"
    ],
    "missing_information": [
        "Interior views of all three bags, including back walls, pockets, labels, and any fabric tags.",
        "Close-ups of all hardware, zipper pulls, underside\/base, and strap attachments.",
        "Bottom, side, and rear views of the floral and black bags.",
        "Seller-stated dimensions and material information for each bag.",
        "photo 1: lot of three bags shown together only - no individual front\/back\/bottom\/interior views for any bag",
        "photo 1: no creed patch shown for any bag",
        "photo 1: no interior back-wall or pocket close-ups to check for creed or fabric tags",
        "photo 1: no turnlock, hangtag, or COACH wordmark visible - close-ups not provided"
    ],
    "authenticity_concerns": [
        "photo 4: the visible ROSETTI branding is inconsistent with Coach manufacture for the central bag.",
        "photos 1-7: the other two bags lack any visible Coach identifier and appear to be generic contemporary bags; no basis exists to attribute them to Coach."
    ],
    "possible_model_reasoning": [
        "photo 4: the central bag's ROSETTI plate rules out identifying it as a Coach model.",
        "photos 1-7: the floral and black bags have generic contemporary silhouettes and no visible identifiers, so no Coach model can be responsibly proposed.",
        "Condition: approximately Good overall based on visible creasing, wrinkling, and wear; interiors, bottoms, and functional condition are not shown.",
        "photo 4: ROSETTI-branded beige zip-pocket tote is positively another brand, excluding Coach",
        "photo 1, 6: floral multi-zip bag shape, printed coated material and gold plated hardware have no match in Coach catalog sections 4.2-4.3",
        "photo 2, 3: black zip-top multi-pocket bag with fabric strap and fabric lining has no match in Coach catalog; unlined glove-tanned construction absent",
        "Condition: Good to Very Good for all three based on surface appearance only; bottoms, corners, interiors not shown so grade capped"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photos 1, 4, 7: central bag has silver-tone grommets and rings with additional zipper hardware; floral bag has gold-tone zipper pulls, rings, and clips. A turnlock is not visible.",
        "leather_description": "photos 1-7: central bag has pebbled taupe material that appears synthetic or coated rather than clearly vintage glove-tanned leather. Black bag has a glossy, heavily creased material; material cannot be confirmed. Floral bag has printed fabric with tan trim.",
        "lining_description": "photo 2: black fabric lining visible inside black bag top; other bags interior not_visible",
        "strap_construction": "photos 1, 4, 7: central bag has an adjustable shoulder strap; floral bag has a wide adjustable strap and multiple attachment rings; black bag has a wide dark strap. Detailed attachment construction is partly obscured.",
        "stitching_description": "photos 1, 4, 7: visible machine stitching is generally even on the central and floral bags; no Coach-specific construction evidence is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0017,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 4: central taupe bag has a clearly visible ROSETTI wordmark, identifying it as another brand rather than Coach.",
                    "photos 1-7: no COACH wordmark, horse-and-carriage mark, Coach hangtag, or creed patch is visible on any of the three bags.",
                    "photos 1-7: the bags use contemporary pebble-textured synthetic-looking materials, floral printed fabric, multiple exposed zippers, and silver\/gold-tone hardware rather than a recognizable vintage Coach construction.",
                    "photo 1: listing is a lot of three purses, but none shows a Coach-specific identifier."
                ],
                "missing_information": [
                    "Interior views of all three bags, including back walls, pockets, labels, and any fabric tags.",
                    "Close-ups of all hardware, zipper pulls, underside\/base, and strap attachments.",
                    "Bottom, side, and rear views of the floral and black bags.",
                    "Seller-stated dimensions and material information for each bag."
                ],
                "authenticity_concerns": [
                    "photo 4: the visible ROSETTI branding is inconsistent with Coach manufacture for the central bag.",
                    "photos 1-7: the other two bags lack any visible Coach identifier and appear to be generic contemporary bags; no basis exists to attribute them to Coach."
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": false,
                    "turnlock_present": false,
                    "hangtag_present": false,
                    "hardware_description": "photos 1, 4, 7: central bag has silver-tone grommets and rings with additional zipper hardware; floral bag has gold-tone zipper pulls, rings, and clips. A turnlock is not visible.",
                    "leather_description": "photos 1-7: central bag has pebbled taupe material that appears synthetic or coated rather than clearly vintage glove-tanned leather. Black bag has a glossy, heavily creased material; material cannot be confirmed. Floral bag has printed fabric with tan trim.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1, 4, 7: central bag has an adjustable shoulder strap; floral bag has a wide adjustable strap and multiple attachment rings; black bag has a wide dark strap. Detailed attachment construction is partly obscured.",
                    "stitching_description": "photos 1, 4, 7: visible machine stitching is generally even on the central and floral bags; no Coach-specific construction evidence is visible."
                },
                "possible_model_reasoning": [
                    "photo 4: the central bag's ROSETTI plate rules out identifying it as a Coach model.",
                    "photos 1-7: the floral and black bags have generic contemporary silhouettes and no visible identifiers, so no Coach model can be responsibly proposed.",
                    "Condition: approximately Good overall based on visible creasing, wrinkling, and wear; interiors, bottoms, and functional condition are not shown."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1: lot of three bags shown together only - no individual front\/back\/bottom\/interior views for any bag",
                    "photo 1: no creed patch shown for any bag",
                    "photo 1: no interior back-wall or pocket close-ups to check for creed or fabric tags",
                    "photo 1: no turnlock, hangtag, or COACH wordmark visible - close-ups not provided"
                ],
                "negative_evidence": [
                    "photo 4: center beige bag has rectangular metal brand plate reading ROSETTI, not COACH",
                    "photo 1: right bag is white floral-print synthetic multi-zip hobo with gold-tone zippers - material, print and multi-pocket silhouette inconsistent with vintage Coach glove-tanned classics",
                    "photo 2: left black bag has wide fabric strap, black coil zippers, thin crinkled faux-leather body and black fabric lining visible at top - no solid brass, no turnlock, no unlined suede interior",
                    "photo 1: none of the three bags shows a flap + turnlock, solid brass hardware, unlined glove-tanned leather, or leather hangtag"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 4: silver-tone grommets and rings on beige bag, thin zip pulls; photo 1: gold-tone multi-zippers on floral bag; photo 2: brass-tone D-ring on black bag, black coil zip top - no solid brass turnlock or vintage Coach hardware visible",
                    "leather_description": "photo 4: beige pebbled faux-leather; photo 1: white floral-coated faux-leather; photo 2: black crinkled faux-leather - none shows glove-tanned cowhide grain or patina",
                    "lining_description": "photo 2: black fabric lining visible inside black bag top; other bags interior not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 4: even machine stitching matching beige trim; no detailed stitching visible on other bags",
                    "strap_construction": "photo 4: narrow beige faux-leather shoulder strap with knotted adjustment; photo 2: wide black fabric strap; photo 6: tan faux-leather strap on floral bag - no buckle-adjustable leather strap with brass slides or dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: three handbags present on chair confirming lot"
                ],
                "possible_model_reasoning": [
                    "photo 4: ROSETTI-branded beige zip-pocket tote is positively another brand, excluding Coach",
                    "photo 1, 6: floral multi-zip bag shape, printed coated material and gold plated hardware have no match in Coach catalog sections 4.2-4.3",
                    "photo 2, 3: black zip-top multi-pocket bag with fabric strap and fabric lining has no match in Coach catalog; unlined glove-tanned construction absent",
                    "Condition: Good to Very Good for all three based on surface appearance only; bottoms, corners, interiors not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28768,
            "output_tokens": 863,
            "total_tokens": 29631,
            "estimated_cost_usd": 0.013578
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30080,
            "output_tokens": 1524,
            "total_tokens": 31604,
            "estimated_cost_usd": 0.007235
        }
    ]
}